North American Database of Archaeological Geophysics

Image Library (by geophysical survey type): Magnetic Susceptibility

(to view an enlargement of a graphic, click on it)

Project images sorted alphabetically by state or country; within each by site name

ARKANSAS

Lake Dumond

Toltec Mounds Archeological State Park (3LN42), (2)

Magnetic susceptibility and resistivity results in the area of Mound G. A number of oval features, probably cultural, are indicated;

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COLORADO

5LA3421

Magnetic susceptibility for profile of TU3 in the prehistoric midden;

Conductivity data overlain on elevation map;

5LA9187 (1)

Magnetic susceptibility data overlain on elevation map;

5LA9187 (2)

Magnetostratigraphic profile from XU2. Image shows low and high frequency responses, as well as frequency dependency;

Magnetostratigraphic profile from Trench 1A. Image shows low and high frequency responses, as well as frequency dependency;

Frequency dependency percentages of the two magnetic susceptibility profiles;

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IOWA

Effigy Mounds National Monument (3)

Magnetic susceptibility image, Conical Mound 45, Effigy Mounds National Monument, IA;

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KANSAS

Army City (2)

Raw magnetic image showing possible zones of brick debris, intensive burning, topsoil mounding or extraction at Army City, KS

Close-up of magnetic susceptibility data with broad areas of high anomalies may represent burned areas from the great fire of 1921.

Color composite simultaneously portrays ground-penetrating radar (tinted red), electrical resistance (green), soil conductivity (cyan), and magnetic susceptibility (blue) results through GIS-produced transparent overlays

Fort Scott National Historic Site (3)

Results of depth response experiments with the Bartington Susceptibility Meter and Field Coil;

Measurements of volume magnetic susceptibility with the Bartington Susceptibility Meter and Field Coil;

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MICHIGAN

Pointe Aux Barques Lighthouse

Magnetic Susceptibility image in the area of a lighthouse foundation

NEW MEXICO

Adobe Pueblo Site (LA107488)

Magnetic soil susceptibility contour map (at 0.25 SI unit intervals);

Three-dimensional surface plot of magnetic soil susceptibility;

Escondido Pueblo (FB9569)

Magnetic susceptibility data revealing linear trends possible representing structures and garden plots

Filtered magnetic susceptibility data reveals linear trends possibly representing structures and garden plots

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NORTH DAKOTA

Fort Clark Trading Post (32ME2)

Magnetic susceptibility results from Fort Clark Trading Post, ND;

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OHIO

Hopeton Works Enclosure (Hopewell Culture National Historical Park)

Line plot of magnetic susceptibility and elevation data;

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SOUTH DAKOTA

Steamboat North Alabama

Magnetic susceptibility survey results;

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VIRGINIA

Fort Morton (Petersburg National Battlefield)

A magnetic susceptibility contour map of the Iron detail measured with the EM38;

Taylor House (Petersburg National Battlefield)

A smoothed contour map of magnetic susceptibility at the Taylor House;

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WYOMING

Fish Creek Ranch Site (48TE1077)

Frequency-Dependency comparisons of sites 48TE1079, 48TE1374, and 48TE1077;

The Crescent H Ranch Site (48TE1079)

Mass specific susceptibility of profile from Block G;

Frequency-Dependency comparisons of sites 48TE1079, 48TE1374, and 48TE1077;

Burchardt Site (48TE1374)

Mass specific susceptibility of profile from Block B;

Mass specific susceptibility of profile from Block E;

Frequency-Dependency comparisons of sites 48TE1079, 48TE1374, and 48TE1077;

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